Box2D
Events
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London GB   21, Jan — 23, Jan
Taipei TW   24, Jan — 29, Jan
Zürich CH   31, Jan — 4, Feb
Leamington Spa GB   31, Jan — 3, Feb
Bradford GB   6, Feb — 11, Feb
Latest comments
by Krzysztof Czerwinski
1 hours ago

I bought it, it's really nice and intuitive:) Now i'm waiting for next build with new features:)

I love it!

by wongjoseph272@gmail.com
7 hours ago

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Box2D
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Box2D is an open source C++ engine for simulating rigid bodies in 2D. Box2D is developed by Erin Catto and has the zlib license. While the zlib license does not require acknowledgement, we encourage you to give credit to Box2D in your product.

Collision

Box-2D-80.lv

Geometrical shapes © Box 2D, 2015

  • Continuous collision detection
  • Contact callbacks: begin, end, pre-solve, post-solve
  • Convex polyons and circles.
  • Multiple shapes per body
  • One-shot contact manifolds
  • Dynamic tree broadphase
  • Efficient pair management
  • Fast broadphase AABB queries
  • Collision groups and categories

Physics

Box-2D-80.lv

Motion in Box 2D © Box 2D, 2015

  • Continuous physics with time of impact solver
  • Persistent body-joint-contact graph
  • Island solution and sleep management
  • Contact, friction, and restitution
  • Stable stacking with a linear-time solver
  • Revolute, prismatic, distance, pulley, gear, mouse joint, and other joint types
  • Joint limits, motors, and friction
  • Momentum decoupled position correction
  • Fairly accurate reaction forces/impulses

System

Box-2D-80.lv

A bridge in Box 2D © Box 2D, 2015

  • Small block and stack allocators
  • Centralized tuning parameters
  • Highly portable C++ with no use of STL containers

Testbed

Box-2D-80.lv

A pyramid created in Box 2D © Box 2D, 2015

  • OpenGL with Freeglut
  • Graphical user interface with GLUI
  • Easily switch between tests using GUI
  • Test framework for easily adding new tests
  • Mouse picking and the bomb!
  • CMake build system files
Videos
Questions
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20 May, 2015

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20 May, 2015

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